OpenTechnical

OT-2026-000023774

Publication integrity record

Foam pad vacuum gripper, single stage ejector, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000023774) never changes.

Identity and time

Publication numberOT-2026-000023774 · never reused
Internal UUID01a0ae70-aed5-7194-87b8-a04a6d6797c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023774
StatusPUBLIC

Content hashes

Canonical text54a71ac424b60672da8253ff81b5bab733bba70f408881892a2dffb074fcc17b
Markdown21d52f2dbed0c9d03f1a9d6eecac2becab8ef3b189c314d8cd5b5e4898510f9b
PDF
Publication pageb3b7dc964004e9ce4f167818bb9c895973915600281da3193eedb72e29ceddfe
Manifest66cc55931b30213cf0e8b30443f8af12746de517369dfc441689f94f996974b9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureMEOllV4o5XaHcIVDWkRxfFO8qsoC2PJLCbWGi9lmiHdxxUppKsGw/B5eMl9XSO5jTq7WJMWKNIfjcEfgUGuzAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:14.625015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023774
observed b3b7dc964004e9ce4f167818bb9c8959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:14.606616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023774/manifest.json
observed 66cc55931b30213cf0e8b30443f8af12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:14.589540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023774/publication.md
observed 21d52f2dbed0c9d03f1a9d6eecac2bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:14.570328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023774/publication.txt
observed 54a71ac424b60672da8253ff81b5bab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.